The calculated distance (air line) between Miraflores and Barrancabermeja is approximately 138 miles respectively 222 kilometers.
By car or train, the actual journey to Barrancabermeja is certainly longer, as only the direct route (as the crow flies) between Miraflores and Barrancabermeja has been calculated here.
Air line (approximately)
222 kilometers
120 nautical miles